{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "data breach", "arguments": ["place", "time", "number of data", "purpose", "compromised data", "attack pattern", "tool", "number of victim", "victim"]}], "input": "GREENFIELD — Hancock Health paid a $ 55,000 ransom to hackers to regain access to its computer systems , hospital officials said ."}
{"data breach": []}